Diagnostic Procedure
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- STEP 1. M.U.T.-III CAN bus diagnostics
Use M.U.T.-III to perform the CAN bus diagnosis.
Q: Is the check result normal?
YES : Go to Step 2.
NO : Repair the CAN bus lines. Refer to DIAGNOSIS .
- STEP 2. Check other diagnosis codes.
Q: Are other diagnosis codes set?
YES : Carry out the appropriate troubleshooting.
NO : Go to Step 3.
- STEP 3. M.U.T.-III data list
Item 19: Secondary pressure. Refer to DATA LIST REFERENCE TABLE .
Q: Is the check result normal?
YES : Intermittent malfunction
NO : Go to Step 4.
- STEP 4. Line Pressure Check
Carry out "hydraulic test". Refer to HYDRAULIC PRESSURE TEST .
Q: Is the check result normal?
YES : Go to Step 5.
NO : Repair according to the hydraulic pressure test diagnosis table.
- STEP 5. Symptom recheck after erasing diagnosis code
Q: Is the check result normal?
YES : Intermittent malfunction
NO : Replace TCM.